Police say when they arrived, they encountered 40-year-old Joseph Penderghest of Herndon, Virginia in a vehicle which had struck several parked cars and a telephone pole outside of an apartment complex.

Officials say as troopers approached Penderghest, they saw him cutting himself with an 8-inch folding knife.

Troopers attempted to stop Pendershest from harming himself using verbal commands, pepper spray and stun guns, but were unsuccessful, according to investigators.

Police say Penderghest turned on the troopers and advanced toward them with the knife.

IT STARTED AS A CALL ABOUT A CAR ACCIDENT.. AND IT ENDS WITH ONE MAN DEAD... GOOD EVENING I'M JIM SINKOVITZ. STATE POLICE IN YORK COUNTY RESPONDED TO A REPORTED VEHICLE CRASH.. IN THE 66- HUNDRED BLOCK OF REYNOLD MILL ROAD IN SPRINGFIELD TOWNSHIP... WHERE A 40 YEAR OLD MAN HAD STRUCK SEVERAL PARKED VEHICLES... AND DAMAGED A TELEPHONE POLE OUTSIDE OF AN APARMENT COMPLEX ... WHEN STATE TROOPERS APPROACHED THE DRIVER THEY FOUND HIM WITH AN 8-INCH KNIFE HE WAS USING TO HARM HIMSELF... TROOPERS TRIED TO INTERVENE, BUT THEN THE MAN ADVANCED TOWARDS AUTHORITIES... PEPPER SPRAY AND TASERS WERE NOT SUCCESFUL IN STOPPING THE MAN... FORCING TROOPERS TO FIRE THEIR WEAPONS AND FATALLY WOUND THE SUSPECT. A TOXICOLOGY TEST IS SCHEDULED FOR MONDAY... THE INCIDENT IS BEING INVESTIGATED BY STATE POLICE AND THE YORK COUNTY D-A. 3